Brown the butter in a medium saucepan.
Fry the remaining butter, oats, and sesame seeds until golden brown and fragrant.
Whisk sesame oil, sugars, and browned butter in a large mixing bowl.
Add eggs and vanilla to the mixture.
Whisk together flour, cornstarch, baking soda, and salt in a medium bowl.
Combine dry ingredients, fried oat mix, and chocolate chips with wet ingredients.
Portion the cookie dough into balls and chill in the fridge for an hour.
Preheat oven to 350 degrees F and bake the cookies for 12-13 minutes.
Let cool for at least 20 minutes before serving.
